package main
import(
	"fmt"
)
var a int = 100
func testGlobalVariable()  {
	fmt.Printf("a=%d\n",a)
}
func testLocalVariable()  {
	var b int = 80
	fmt.Printf("a=%d\n b=%d",a,b)
	
}
func main()  {
	// testGlobalVariable()
	testLocalVariable()
}